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A ladder-type iron(II) coordination polymer with enhanced spin-crossover behavior

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Abstract

Few spin-crossover materials with a 1D ladder-type structure have been reported. Previously, [Fe(Mebpt){Au(CN)2}]·H2O (MebptH = 3-(5-methyl-2-pyridyl)-5-(2-pyridyl)-1,2,4-triazole) was made and shown to display gradual spin-crossover behaviour. In the current work, a new 1D iron(II) ladder-type compound, [Fe(bpt){Au(CN)2}] (bptH = 3-(2-pyridyl)-5-(2-pyridyl)-1,2,4-triazole), was produced and showed enhanced spin-crossover behavior. It showed an abrupt spin transition above room temperature with a 3 K hysteresis (T1/2↓ = 335 K and T1/2↑ = 338 K). The origin of its enhanced spin-crossover could be ascribed to a greater influence of supramolecular interactions over the electronic substituent effect.

Graphical abstract: A ladder-type iron(ii) coordination polymer with enhanced spin-crossover behavior

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Publication details

The article was received on 03 Apr 2017, accepted on 03 May 2017 and first published on 03 May 2017


Article type: Research Article
DOI: 10.1039/C7QI00180K
Citation: Inorg. Chem. Front., 2017, Advance Article
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    A ladder-type iron(II) coordination polymer with enhanced spin-crossover behavior

    Z. Yan, L. Zhu, L. Zhu, Y. Meng, Md. N. Hoque, J. Liu, Y. Chen, Z. Ni and M. Tong, Inorg. Chem. Front., 2017, Advance Article , DOI: 10.1039/C7QI00180K

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